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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.264 by root, Tue Aug 14 11:44:52 2018 UTC vs.
Revision 1.296 by root, Mon Sep 5 08:43:58 2022 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#if !defined mg_findext 10#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type) 11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif 12#endif
12 13
… …
17#include <sys/socket.h> 18#include <sys/socket.h>
18#include <sys/stat.h> 19#include <sys/stat.h>
19#include <limits.h> 20#include <limits.h>
20#include <fcntl.h> 21#include <fcntl.h>
21#include <sched.h> 22#include <sched.h>
22
23#if HAVE_SYS_SYSMACROS_H
24# include <sys/sysmacros.h>
25#endif
26
27#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
28# include <sys/mman.h>
29#endif
30
31/* the incompetent fool that created musl keeps __linux__, refuses
32 * to implement any linux standard apis, and also has no way to test
33 * for his broken iplementation. don't complain to me if this fails
34 * for you.
35 */
36#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
37# include <linux/fs.h>
38# ifdef FS_IOC_FIEMAP
39# include <linux/types.h>
40# include <linux/fiemap.h>
41# define HAVE_FIEMAP 1
42# endif
43#endif
44 23
45/* perl namespace pollution */ 24/* perl namespace pollution */
46#undef VERSION 25#undef VERSION
47 26
48/* perl stupidly overrides readdir and maybe others */ 27/* perl stupidly overrides readdir and maybe others */
… …
82 #undef fchmod 61 #undef fchmod
83 #undef dup 62 #undef dup
84 #undef dup2 63 #undef dup2
85 #undef abort 64 #undef abort
86 #undef pipe 65 #undef pipe
66 #undef utime
87 67
88 #define EIO_STRUCT_STAT struct _stati64 68 #define EIO_STRUCT_STAT struct _stati64
89 #define EIO_STRUCT_STATI64 69 #define EIO_STRUCT_STATI64
90 70
91#else 71#else
92 72
93 #include <sys/time.h> 73 #include <sys/time.h>
94 #include <sys/select.h> 74 #include <sys/select.h>
75 #include <sys/wait.h>
95 #include <unistd.h> 76 #include <unistd.h>
96 #include <utime.h> 77 #include <utime.h>
97 #include <signal.h> 78 #include <signal.h>
98 79
99 #define EIO_STRUCT_STAT Stat_t 80 #define EIO_STRUCT_STAT Stat_t
… …
112#define expect_true(expr) expect ((expr) != 0, 1) 93#define expect_true(expr) expect ((expr) != 0, 1)
113 94
114/*****************************************************************************/ 95/*****************************************************************************/
115 96
116#include "config.h" 97#include "config.h"
98
99#if HAVE_SYS_MKDEV_H
100# include <sys/mkdev.h>
101#elif HAVE_SYS_SYSMACROS_H
102# include <sys/sysmacros.h>
103#endif
104
105#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
106# include <sys/mman.h>
107#endif
108
109#if HAVE_SYS_UIO_H
110# include <sys/uio.h>
111#endif
112
113/* MUST be included before linux/fs.h, as the latter includes
114 * linux/mount.h, which is incompatible to sys/mount.h
115 */
116#if HAVE_SYS_MOUNT_H
117# include <sys/mount.h>
118#endif
119
120/* the incompetent fool that created musl keeps __linux__, refuses
121 * to implement any linux standard apis, and also has no way to test
122 * for his broken implementation. don't complain to me if this fails
123 * for you.
124 */
125#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
126# include <linux/fs.h> /* MUST be included after sys/mount.h */
127# ifdef FS_IOC_FIEMAP
128# include <linux/types.h>
129# include <linux/fiemap.h>
130# undef HAVE_FIEMAP
131# define HAVE_FIEMAP 1
132# endif
133#endif
117 134
118#if HAVE_ST_XTIMENSEC 135#if HAVE_ST_XTIMENSEC
119# define ATIMENSEC PL_statcache.st_atimensec 136# define ATIMENSEC PL_statcache.st_atimensec
120# define MTIMENSEC PL_statcache.st_mtimensec 137# define MTIMENSEC PL_statcache.st_mtimensec
121# define CTIMENSEC PL_statcache.st_ctimensec 138# define CTIMENSEC PL_statcache.st_ctimensec
… …
127# define ATIMENSEC 0 144# define ATIMENSEC 0
128# define MTIMENSEC 0 145# define MTIMENSEC 0
129# define CTIMENSEC 0 146# define CTIMENSEC 0
130#endif 147#endif
131 148
149#if HAVE_ST_BIRTHTIMENSEC
150# define BTIMESEC PL_statcache.st_birthtime
151# define BTIMENSEC PL_statcache.st_birthtimensec
152#elif HAVE_ST_BIRTHTIMESPEC
153# define BTIMESEC PL_statcache.st_birthtim.tv_sec
154# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
155#else
156# define BTIMESEC 0
157# define BTIMENSEC 0
158#endif
159
160#if HAVE_ST_GEN
161# define ST_GEN PL_statcache.st_gen
162#else
163# define ST_GEN 0
164#endif
165
132#include "schmorp.h" 166#include "schmorp.h"
133 167
134#if HAVE_EVENTFD 168#if HAVE_EVENTFD
135# include <sys/eventfd.h> 169# include <sys/eventfd.h>
136#endif 170#endif
… …
143 #include <sys/time.h> 177 #include <sys/time.h>
144 #include <sys/resource.h> 178 #include <sys/resource.h>
145#endif 179#endif
146 180
147typedef SV SV8; /* byte-sv, used for argument-checking */ 181typedef SV SV8; /* byte-sv, used for argument-checking */
182typedef char *octet_string;
183typedef char *octet_string_ornull;
148typedef int aio_rfd; /* read file desriptor */ 184typedef int aio_rfd; /* read file desriptor */
149typedef int aio_wfd; /* write file descriptor */ 185typedef int aio_wfd; /* write file descriptor */
150 186
151static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 187static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
152 188
… …
192#endif 228#endif
193#ifndef minor 229#ifndef minor
194# define minor(dev) ((dev) & 0xff) 230# define minor(dev) ((dev) & 0xff)
195#endif 231#endif
196 232
233/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
234#ifdef __sun
235# undef PAGESIZE
236#endif
237
197#if PAGESIZE <= 0 238#if PAGESIZE <= 0
198# define PAGESIZE sysconf (_SC_PAGESIZE) 239# define PAGESIZE sysconf (_SC_PAGESIZE)
240#endif
241
242/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
243#ifdef __sun
244# undef HAVE_SYSCALL
245#endif
246
247#if HAVE_SYSCALL
248#include <sys/syscall.h>
249#else
250# define syscall(nr,...) (errno = ENOSYS, -1)
199#endif 251#endif
200 252
201/*****************************************************************************/ 253/*****************************************************************************/
202 254
203#if !_POSIX_MAPPED_FILES 255#if !_POSIX_MAPPED_FILES
… …
263}; 315};
264 316
265/*****************************************************************************/ 317/*****************************************************************************/
266 318
267/* helper: set scalar to foreign ptr with custom free */ 319/* helper: set scalar to foreign ptr with custom free */
320ecb_noinline
268static void 321static void
269sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) 322sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
270{ 323{
271 sv_force_normal (sv); 324 sv_force_normal (sv);
272 325
… …
313 int count = req->int3; 366 int count = req->int3;
314 367
315 req->flags |= EIO_FLAG_PTR1_FREE; 368 req->flags |= EIO_FLAG_PTR1_FREE;
316 369
317 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ 370 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
318 /* increase in 3.5kb steps */ 371 /* increase in fixed steps */
319 if (count < 0) 372 if (count < 0)
320 count = 8; 373 count = 8;
321 374
322 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 375 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
323 errno = ENOMEM; 376 errno = ENOMEM;
… …
376 429
377 for (count = 0; count < incmap->fm_mapped_extents; ++count) 430 for (count = 0; count < incmap->fm_mapped_extents; ++count)
378 { 431 {
379 struct fiemap_extent *e = incmap->fm_extents + count; 432 struct fiemap_extent *e = incmap->fm_extents + count;
380 433
434 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
435
381 if (e->fe_logical + e->fe_length >= end_offset) 436 if (e->fe_logical >= end_offset)
382 goto done; 437 goto done;
383
384 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
385 438
386 if (e->fe_flags & FIEMAP_EXTENT_LAST) 439 if (e->fe_flags & FIEMAP_EXTENT_LAST)
387 goto done; 440 goto done;
388 441
389 } 442 }
… …
396 errno = ENOSYS; 449 errno = ENOSYS;
397#endif 450#endif
398} 451}
399 452
400/*****************************************************************************/ 453/*****************************************************************************/
454
455static int close_fd; /* dummy fd to close fds via dup2 */
456
457#if HAVE_STATX
458static struct statx stx;
459#define statx_offsetof(member) offsetof (struct statx, member)
460#define eio__statx statx
461#else
462#define statx_offsetof(member) 0
463#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
464#endif
401 465
402enum { 466enum {
403 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 467 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
404}; 468};
405 469
… …
429 /* read any signals sent by the worker threads */ 493 /* read any signals sent by the worker threads */
430 s_epipe_drain (&respipe); 494 s_epipe_drain (&respipe);
431} 495}
432 496
433/* must be called at most once */ 497/* must be called at most once */
498ecb_noinline
434static SV * 499static SV *
435req_sv (aio_req req, HV *stash) 500req_sv (aio_req req, HV *stash)
436{ 501{
437 if (!req->self) 502 if (!req->self)
438 { 503 {
… …
447newSVaio_wd (aio_wd wd) 512newSVaio_wd (aio_wd wd)
448{ 513{
449 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); 514 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
450} 515}
451 516
517ecb_noinline
452static aio_req 518static aio_req
453SvAIO_REQ (SV *sv) 519SvAIO_REQ (SV *sv)
454{ 520{
455 MAGIC *mg; 521 MAGIC *mg;
456 522
… …
519 FREETMPS; 585 FREETMPS;
520 LEAVE; 586 LEAVE;
521 } 587 }
522} 588}
523 589
590ecb_noinline
524static void 591static void
525req_submit (eio_req *req) 592req_submit (eio_req *req)
526{ 593{
527 eio_submit (req); 594 eio_submit (req);
528 595
… …
789 } 856 }
790 else 857 else
791 PUSHs (sv_result); 858 PUSHs (sv_result);
792 break; 859 break;
793 860
861#if 0
862 case EIO_CLOSE:
863 PerlIOUnix_refcnt_dec (req->int1);
864 break;
865#endif
866
794 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 867 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
795 if (req->result > 0) 868 if (req->result > 0)
796 SvIV_set (sv_result, 0); 869 SvIV_set (sv_result, 0);
797 /* FALLTHROUGH */ 870 /* FALLTHROUGH */
798 871
… …
849 grp->sv2 = 0; 922 grp->sv2 = 0;
850 923
851 eio_grp_cancel (grp); 924 eio_grp_cancel (grp);
852} 925}
853 926
854static void ecb_cold 927ecb_cold
928static void
855create_respipe (void) 929create_respipe (void)
856{ 930{
857 if (s_epipe_renew (&respipe)) 931 if (s_epipe_renew (&respipe))
858 croak ("IO::AIO: unable to initialize result pipe"); 932 croak ("IO::AIO: unable to initialize result pipe");
859} 933}
… …
893 967
894 poll_wait (); 968 poll_wait ();
895 } 969 }
896} 970}
897 971
898static void ecb_cold 972ecb_cold
973static void
899reinit (void) 974reinit (void)
900{ 975{
901 create_respipe (); 976 create_respipe ();
902 977
903 if (eio_init (want_poll, done_poll) < 0) 978 if (eio_init (want_poll, done_poll) < 0)
… …
911{ 986{
912 SvGETMAGIC (cb_sv); 987 SvGETMAGIC (cb_sv);
913 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 988 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
914} 989}
915 990
991ecb_noinline
916static aio_req ecb_noinline 992static aio_req ecb_noinline
917dreq (SV *callback) 993dreq (SV *callback)
918{ 994{
919 SV *cb_cv; 995 SV *cb_cv;
920 aio_req req; 996 aio_req req;
… …
942 SPAGAIN; \ 1018 SPAGAIN; \
943 \ 1019 \
944 if (GIMME_V != G_VOID) \ 1020 if (GIMME_V != G_VOID) \
945 XPUSHs (req_sv (req, aio_req_stash)); 1021 XPUSHs (req_sv (req, aio_req_stash));
946 1022
1023/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
947ecb_inline void 1024ecb_inline
1025void
948req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1026req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
949{ 1027{
950 if (expect_false (SvROK (path))) 1028 if (expect_false (SvROK (path)))
951 { 1029 {
952 SV *rv = SvRV (path); 1030 SV *rv = SvRV (path);
953 SV *wdob; 1031 SV *wdob;
… …
978 1056
979 *pathsv = newSVsv (path); 1057 *pathsv = newSVsv (path);
980 *ptr = SvPVbyte_nolen (*pathsv); 1058 *ptr = SvPVbyte_nolen (*pathsv);
981} 1059}
982 1060
983static void ecb_noinline 1061ecb_noinline
1062static void
984req_set_path1 (aio_req req, SV *path) 1063req_set_path1 (aio_req req, SV *path)
985{ 1064{
986 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1065 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
987} 1066}
988 1067
989static void ecb_noinline 1068ecb_noinline
1069static void
990req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1070req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
991{ 1071{
992 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1072 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
993 1073
994 switch (SvTYPE (rv)) 1074 switch (SvTYPE (rv))
… …
1019 1099
1020static NV 1100static NV
1021ts_get (const struct timespec *ts) 1101ts_get (const struct timespec *ts)
1022{ 1102{
1023 return ts->tv_sec + ts->tv_nsec * 1e-9; 1103 return ts->tv_sec + ts->tv_nsec * 1e-9;
1104}
1105
1106/*****************************************************************************/
1107
1108/* extract a ref-to-array of strings into a temporary c style string vector */
1109static char **
1110extract_stringvec (SV *sv, const char *croakmsg)
1111{
1112 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1113 croak (croakmsg);
1114
1115 AV *av = (AV *)SvRV (sv);
1116 int i, nelem = av_len (av) + 1;
1117 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1118
1119 for (i = 0; i < nelem; ++i)
1120 {
1121 SV **e = av_fetch (av, i, 0);
1122
1123 if (e && *e)
1124 vecp[i] = SvPVbyte_nolen (*e);
1125 else
1126 vecp[i] = "";
1127 }
1128
1129 vecp[nelem] = 0;
1130
1131 return vecp;
1024} 1132}
1025 1133
1026/*****************************************************************************/ 1134/*****************************************************************************/
1027 1135
1028XS(boot_IO__AIO) ecb_cold; 1136XS(boot_IO__AIO) ecb_cold;
… …
1133 const_iv (MAP_NONBLOCK) 1241 const_iv (MAP_NONBLOCK)
1134 const_iv (MAP_GROWSDOWN) 1242 const_iv (MAP_GROWSDOWN)
1135 const_iv (MAP_32BIT) 1243 const_iv (MAP_32BIT)
1136 const_iv (MAP_HUGETLB) 1244 const_iv (MAP_HUGETLB)
1137 const_iv (MAP_STACK) 1245 const_iv (MAP_STACK)
1246 const_iv (MAP_FIXED_NOREPLACE)
1247 const_iv (MAP_SHARED_VALIDATE)
1248 const_iv (MAP_SYNC)
1249 const_iv (MAP_UNINITIALIZED)
1138 1250
1139 const_iv (MREMAP_MAYMOVE) 1251 const_iv (MREMAP_MAYMOVE)
1140 const_iv (MREMAP_FIXED) 1252 const_iv (MREMAP_FIXED)
1141 1253
1142 const_iv (F_DUPFD_CLOEXEC)
1143
1144 const_iv (MSG_CMSG_CLOEXEC) 1254 const_iv (MSG_CMSG_CLOEXEC)
1145 const_iv (SOCK_CLOEXEC) 1255 const_iv (SOCK_CLOEXEC)
1256
1257 const_iv (F_DUPFD_CLOEXEC)
1258
1259 const_iv (F_ADD_SEALS)
1260 const_iv (F_GET_SEALS)
1261 const_iv (F_SEAL_SEAL)
1262 const_iv (F_SEAL_SHRINK)
1263 const_iv (F_SEAL_GROW)
1264 const_iv (F_SEAL_WRITE)
1146 1265
1147 const_iv (F_OFD_GETLK) 1266 const_iv (F_OFD_GETLK)
1148 const_iv (F_OFD_SETLK) 1267 const_iv (F_OFD_SETLK)
1149 const_iv (F_OFD_GETLKW) 1268 const_iv (F_OFD_GETLKW)
1150 1269
… …
1227 1346
1228 const_iv (EFD_CLOEXEC) 1347 const_iv (EFD_CLOEXEC)
1229 const_iv (EFD_NONBLOCK) 1348 const_iv (EFD_NONBLOCK)
1230 const_iv (EFD_SEMAPHORE) 1349 const_iv (EFD_SEMAPHORE)
1231 1350
1351 const_iv (MFD_CLOEXEC)
1352 const_iv (MFD_ALLOW_SEALING)
1353 const_iv (MFD_HUGETLB)
1354 const_iv (MFD_HUGETLB_2MB)
1355 const_iv (MFD_HUGETLB_1GB)
1356
1232 const_iv (CLOCK_REALTIME) 1357 const_iv (CLOCK_REALTIME)
1233 const_iv (CLOCK_MONOTONIC) 1358 const_iv (CLOCK_MONOTONIC)
1234 const_iv (CLOCK_BOOTTIME) 1359 const_iv (CLOCK_BOOTTIME)
1235 const_iv (CLOCK_REALTIME_ALARM) 1360 const_iv (CLOCK_REALTIME_ALARM)
1236 const_iv (CLOCK_BOOTTIME_ALARM) 1361 const_iv (CLOCK_BOOTTIME_ALARM)
… …
1239 const_iv (TFD_CLOEXEC) 1364 const_iv (TFD_CLOEXEC)
1240 1365
1241 const_iv (TFD_TIMER_ABSTIME) 1366 const_iv (TFD_TIMER_ABSTIME)
1242 const_iv (TFD_TIMER_CANCEL_ON_SET) 1367 const_iv (TFD_TIMER_CANCEL_ON_SET)
1243 1368
1369 const_iv (STATX_TYPE)
1370 const_iv (STATX_MODE)
1371 const_iv (STATX_NLINK)
1372 const_iv (STATX_UID)
1373 const_iv (STATX_GID)
1374 const_iv (STATX_ATIME)
1375 const_iv (STATX_MTIME)
1376 const_iv (STATX_CTIME)
1377 const_iv (STATX_INO)
1378 const_iv (STATX_SIZE)
1379 const_iv (STATX_BLOCKS)
1380 const_iv (STATX_BASIC_STATS)
1381 const_iv (STATX_ALL)
1382 const_iv (STATX_BTIME)
1383 const_iv (STATX_ATTR_COMPRESSED)
1384 const_iv (STATX_ATTR_IMMUTABLE)
1385 const_iv (STATX_ATTR_APPEND)
1386 const_iv (STATX_ATTR_NODUMP)
1387 const_iv (STATX_ATTR_ENCRYPTED)
1388 const_iv (STATX_ATTR_AUTOMOUNT)
1389
1390 const_iv (AT_FDCWD)
1391 const_iv (AT_SYMLINK_NOFOLLOW)
1392 const_iv (AT_EACCESS)
1393 const_iv (AT_REMOVEDIR)
1394 const_iv (AT_SYMLINK_FOLLOW)
1395 const_iv (AT_NO_AUTOMOUNT)
1396 const_iv (AT_EMPTY_PATH)
1397 const_iv (AT_STATX_SYNC_TYPE)
1398 const_iv (AT_STATX_AS_STAT)
1399 const_iv (AT_STATX_FORCE_SYNC)
1400 const_iv (AT_STATX_DONT_SYNC)
1401 const_iv (AT_RECURSIVE)
1402
1403 const_iv (OPEN_TREE_CLONE)
1404
1405 const_iv (FSOPEN_CLOEXEC)
1406
1407 const_iv (FSPICK_CLOEXEC)
1408 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1409 const_iv (FSPICK_NO_AUTOMOUNT)
1410 const_iv (FSPICK_EMPTY_PATH)
1411
1412 const_iv (MOVE_MOUNT_F_SYMLINKS)
1413 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1414 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1415 const_iv (MOVE_MOUNT_T_SYMLINKS)
1416 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1417 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1418
1419 /* waitid */
1420 const_iv (P_PID)
1421 const_iv (P_PIDFD)
1422 const_iv (P_PGID)
1423 const_iv (P_ALL)
1424
1425 const_iv (FSCONFIG_SET_FLAG)
1426 const_iv (FSCONFIG_SET_STRING)
1427 const_iv (FSCONFIG_SET_BINARY)
1428 const_iv (FSCONFIG_SET_PATH)
1429 const_iv (FSCONFIG_SET_PATH_EMPTY)
1430 const_iv (FSCONFIG_SET_FD)
1431 const_iv (FSCONFIG_CMD_CREATE)
1432 const_iv (FSCONFIG_CMD_RECONFIGURE)
1433
1434 const_iv (MOUNT_ATTR_RDONLY)
1435 const_iv (MOUNT_ATTR_NOSUID)
1436 const_iv (MOUNT_ATTR_NODEV)
1437 const_iv (MOUNT_ATTR_NOEXEC)
1438 const_iv (MOUNT_ATTR__ATIME)
1439 const_iv (MOUNT_ATTR_RELATIME)
1440 const_iv (MOUNT_ATTR_NOATIME)
1441 const_iv (MOUNT_ATTR_STRICTATIME)
1442 const_iv (MOUNT_ATTR_NODIRATIME)
1443
1444 /* sys/mount.h */
1445 const_iv (MS_RDONLY)
1446 const_iv (MS_NOSUID)
1447 const_iv (MS_NODEV)
1448 const_iv (MS_NOEXEC)
1449 const_iv (MS_SYNCHRONOUS)
1450 const_iv (MS_REMOUNT)
1451 const_iv (MS_MANDLOCK)
1452 const_iv (MS_DIRSYNC)
1453 const_iv (MS_NOATIME)
1454 const_iv (MS_NODIRATIME)
1455 const_iv (MS_BIND)
1456 const_iv (MS_MOVE)
1457 const_iv (MS_REC)
1458 const_iv (MS_SILENT)
1459 const_iv (MS_POSIXACL)
1460 const_iv (MS_UNBINDABLE)
1461 const_iv (MS_PRIVATE)
1462 const_iv (MS_SLAVE)
1463 const_iv (MS_SHARED)
1464 const_iv (MS_RELATIME)
1465 const_iv (MS_KERNMOUNT)
1466 const_iv (MS_I_VERSION)
1467 const_iv (MS_STRICTATIME)
1468 const_iv (MS_LAZYTIME)
1469 const_iv (MS_ACTIVE)
1470 const_iv (MS_NOUSER)
1471 const_iv (MS_RMT_MASK)
1472 const_iv (MS_MGC_VAL)
1473 const_iv (MS_MGC_MSK)
1474
1475 const_iv (MNT_FORCE)
1476 const_iv (MNT_DETACH)
1477 const_iv (MNT_EXPIRE)
1478 const_iv (UMOUNT_NOFOLLOW)
1479
1480 const_iv (BLKROSET)
1481 const_iv (BLKROGET)
1482 const_iv (BLKRRPART)
1483 const_iv (BLKGETSIZE)
1484 const_iv (BLKFLSBUF)
1485 const_iv (BLKRASET)
1486 const_iv (BLKRAGET)
1487 const_iv (BLKFRASET)
1488 const_iv (BLKFRAGET)
1489 const_iv (BLKSECTSET)
1490 const_iv (BLKSECTGET)
1491 const_iv (BLKSSZGET)
1492 const_iv (BLKBSZGET)
1493 const_iv (BLKBSZSET)
1494 const_iv (BLKGETSIZE64)
1495
1244 /* these are libeio constants, and are independent of gendef0 */ 1496 /* these are libeio constants, and are independent of gendef0 */
1245 const_eio (SEEK_SET) 1497 const_eio (SEEK_SET)
1246 const_eio (SEEK_CUR) 1498 const_eio (SEEK_CUR)
1247 const_eio (SEEK_END) 1499 const_eio (SEEK_END)
1248 1500
1249 const_eio (MCL_FUTURE) 1501 const_eio (MCL_FUTURE)
1250 const_eio (MCL_CURRENT) 1502 const_eio (MCL_CURRENT)
1503 const_eio (MCL_ONFAULT)
1251 1504
1252 const_eio (MS_ASYNC) 1505 const_eio (MS_ASYNC)
1253 const_eio (MS_INVALIDATE) 1506 const_eio (MS_INVALIDATE)
1254 const_eio (MS_SYNC) 1507 const_eio (MS_SYNC)
1255 1508
… …
1294 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1547 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1295 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1548 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1296 1549
1297 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1550 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1298 1551
1552 /* allocate dummy pipe fd for aio_close */
1553 {
1554 int pipefd [2];
1555
1556 if (
1557#ifdef _WIN32
1558 _pipe (pipefd, 1, _O_BINARY) < 0
1559#else
1560 pipe (pipefd) < 0
1561 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1562#endif
1563 || close (pipefd [1]) < 0
1564 )
1565 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1566
1567 close_fd = pipefd [0];
1568 }
1569
1299 reinit (); 1570 reinit ();
1300} 1571}
1301 1572
1302void 1573void
1303reinit () 1574reinit ()
… …
1425 1696
1426void 1697void
1427aio_close (SV *fh, SV *callback = &PL_sv_undef) 1698aio_close (SV *fh, SV *callback = &PL_sv_undef)
1428 PPCODE: 1699 PPCODE:
1429{ 1700{
1430 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1431 int fd = s_fileno_croak (fh, 0); 1701 int fd = s_fileno_croak (fh, 0);
1432 dREQ; 1702 dREQ;
1703#if 0
1704 /* partially duplicate logic in s_fileno */
1705 SvGETMAGIC (fh);
1433 1706
1434 if (expect_false (close_fd < 0)) 1707 if (SvROK (fh))
1708 {
1709 fh = SvRV (fh);
1710 SvGETMAGIC (fh);
1711 }
1712
1713 if (SvTYPE (fh) == SVt_PVGV)
1435 { 1714 {
1436 int pipefd [2]; 1715 /* perl filehandle */
1716 PerlIOUnix_refcnt_inc (fd);
1717 do_close ((GV *)fh, 1);
1437 1718
1438 if ( 1719 req->type = EIO_CLOSE;
1439#ifdef _WIN32 1720 req->int1 = fd;
1440 _pipe (pipefd, 1, _O_BINARY) < 0 1721 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1441#else
1442 pipe (pipefd) < 0
1443 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1444#endif
1445 || close (pipefd [1]) < 0
1446 )
1447 abort (); /*D*/
1448
1449 close_fd = pipefd [0];
1450 } 1722 }
1451 1723 else
1724#endif
1725 {
1726 /* fd number */
1452 req->type = EIO_DUP2; 1727 req->type = EIO_DUP2;
1453 req->int1 = close_fd; 1728 req->int1 = close_fd;
1454 req->sv2 = newSVsv (fh); 1729 req->sv2 = newSVsv (fh);
1455 req->int2 = fd; 1730 req->int2 = fd;
1731 }
1456 1732
1457 REQ_SEND; 1733 REQ_SEND;
1458} 1734}
1459 1735
1460void 1736void
… …
1634} 1910}
1635 1911
1636void 1912void
1637st_xtime () 1913st_xtime ()
1638 ALIAS: 1914 ALIAS:
1639 st_atime = 1 1915 st_atime = 0x01
1640 st_mtime = 2 1916 st_mtime = 0x02
1641 st_ctime = 4 1917 st_ctime = 0x04
1918 st_btime = 0x08
1642 st_xtime = 7 1919 st_xtime = 0x0f
1643 PPCODE: 1920 PPCODE:
1644 EXTEND (SP, 3); 1921 EXTEND (SP, 4);
1645 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC)); 1922 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1646 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC)); 1923 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1647 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC)); 1924 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1925 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1648 1926
1649void 1927void
1650st_xtimensec () 1928st_xtimensec ()
1651 ALIAS: 1929 ALIAS:
1652 st_atimensec = 1 1930 st_atimensec = 0x01
1653 st_mtimensec = 2 1931 st_mtimensec = 0x02
1654 st_ctimensec = 4 1932 st_ctimensec = 0x04
1933 st_btimensec = 0x08
1655 st_xtimensec = 7 1934 st_xtimensec = 0x0f
1935 st_btimesec = 0x10
1936 st_gen = 0x20
1656 PPCODE: 1937 PPCODE:
1657 EXTEND (SP, 3); 1938 EXTEND (SP, 4);
1658 if (ix & 1) PUSHs (newSViv (ATIMENSEC)); 1939 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1659 if (ix & 2) PUSHs (newSViv (MTIMENSEC)); 1940 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1660 if (ix & 4) PUSHs (newSViv (CTIMENSEC)); 1941 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1942 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1943 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1944 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1661 1945
1662UV 1946UV
1663major (UV dev) 1947major (UV dev)
1664 ALIAS: 1948 ALIAS:
1665 minor = 1 1949 minor = 1
… …
1782 eio_wd wd2 = 0; 2066 eio_wd wd2 = 0;
1783 dREQ; 2067 dREQ;
1784 2068
1785 req->type = ix; 2069 req->type = ix;
1786 req_set_path1 (req, oldpath); 2070 req_set_path1 (req, oldpath);
1787 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2071 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1788 req->int3 = (long)wd2; 2072 req->int3 = (long)wd2;
1789 2073
1790 REQ_SEND; 2074 REQ_SEND;
1791} 2075}
1792 2076
… …
1797 eio_wd wd2 = 0; 2081 eio_wd wd2 = 0;
1798 dREQ; 2082 dREQ;
1799 2083
1800 req->type = EIO_RENAME; 2084 req->type = EIO_RENAME;
1801 req_set_path1 (req, oldpath); 2085 req_set_path1 (req, oldpath);
1802 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 2086 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1803 req->int2 = flags; 2087 req->int2 = flags;
1804 req->int3 = (long)wd2; 2088 req->int3 = (long)wd2;
1805 2089
1806 REQ_SEND; 2090 REQ_SEND;
1807} 2091}
… …
2151} 2435}
2152 OUTPUT: 2436 OUTPUT:
2153 RETVAL 2437 RETVAL
2154 2438
2155int 2439int
2156madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2440madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2157 ALIAS: 2441 ALIAS:
2158 mprotect = 1 2442 mprotect = 1
2159 CODE: 2443 CODE:
2160{ 2444{
2161 STRLEN svlen; 2445 STRLEN svlen;
… …
2182} 2466}
2183 OUTPUT: 2467 OUTPUT:
2184 RETVAL 2468 RETVAL
2185 2469
2186int 2470int
2187munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) 2471munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2188 CODE: 2472 CODE:
2189{ 2473{
2190 STRLEN svlen; 2474 STRLEN svlen;
2191 void *addr = SvPVbyte (scalar, svlen); 2475 void *addr = SvPVbyte (scalar, svlen);
2192 size_t len = SvUV (length); 2476 size_t len = SvUV (length);
… …
2207#else 2491#else
2208 RETVAL = EIO_ENOSYS (); 2492 RETVAL = EIO_ENOSYS ();
2209#endif 2493#endif
2210} 2494}
2211 OUTPUT: 2495 OUTPUT:
2496 RETVAL
2497
2498int
2499mlockall (int flags)
2500 PROTOTYPE: $;
2501 CODE:
2502 RETVAL = eio_mlockall_sync (flags);
2503 OUTPUT:
2212 RETVAL 2504 RETVAL
2213 2505
2214int 2506int
2215munlockall () 2507munlockall ()
2216 CODE: 2508 CODE:
… …
2221#endif 2513#endif
2222 OUTPUT: 2514 OUTPUT:
2223 RETVAL 2515 RETVAL
2224 2516
2225int 2517int
2518statx (SV8 *pathname, int flags, UV mask)
2519 CODE:
2520{
2521 /* undocumented, and might go away, and anyway, should use eio_statx */
2522 SV *wdsv = 0;
2523 SV *pathsv = 0;
2524 eio_wd wd = EIO_CWD;
2525 void *ptr;
2526 int res;
2527
2528 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2529 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2530
2531 SvREFCNT_dec (pathsv);
2532 SvREFCNT_dec (wdsv);
2533}
2534 OUTPUT:
2535 RETVAL
2536
2537U32
2538stx_mode ()
2539 PROTOTYPE:
2540 CODE:
2541#if HAVE_STATX
2542 RETVAL = stx.stx_mode;
2543#else
2544 XSRETURN_UNDEF;
2545#endif
2546 OUTPUT:
2547 RETVAL
2548
2549#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2550#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2551#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2552#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2553#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2554#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2555#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2556#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2557#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2558#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2559#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2560#define STATX_OFFSET_size statx_offsetof (stx_size)
2561#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2562#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2563#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2564#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2565#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2566#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2567
2568U32
2569stx_mask ()
2570 PROTOTYPE:
2571 ALIAS:
2572 stx_mask = STATX_OFFSET_mask
2573 stx_blksize = STATX_OFFSET_blksize
2574 stx_nlink = STATX_OFFSET_nlink
2575 stx_uid = STATX_OFFSET_uid
2576 stx_gid = STATX_OFFSET_gid
2577 stx_rdev_major = STATX_OFFSET_rdev_major
2578 stx_rdev_minor = STATX_OFFSET_rdev_minor
2579 stx_dev_major = STATX_OFFSET_dev_major
2580 stx_dev_minor = STATX_OFFSET_dev_minor
2581 CODE:
2582#if HAVE_STATX
2583 RETVAL = *(__u32 *)((char *)&stx + ix);
2584#else
2585 XSRETURN_UNDEF;
2586#endif
2587 OUTPUT:
2588 RETVAL
2589
2590VAL64
2591stx_attributes ()
2592 PROTOTYPE:
2593 ALIAS:
2594 stx_attributes = STATX_OFFSET_attributes
2595 stx_ino = STATX_OFFSET_ino
2596 stx_size = STATX_OFFSET_size
2597 stx_blocks = STATX_OFFSET_blocks
2598 stx_attributes_mask = STATX_OFFSET_attributes_mask
2599 CODE:
2600#if HAVE_STATX
2601 RETVAL = *(__u64 *)((char *)&stx + ix);
2602#else
2603 XSRETURN_UNDEF;
2604#endif
2605 OUTPUT:
2606 RETVAL
2607
2608NV
2609stx_atime ()
2610 PROTOTYPE:
2611 ALIAS:
2612 stx_atime = STATX_OFFSET_atime
2613 stx_btime = STATX_OFFSET_btime
2614 stx_ctime = STATX_OFFSET_ctime
2615 stx_mtime = STATX_OFFSET_mtime
2616 CODE:
2617#if HAVE_STATX
2618 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2619 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2620#else
2621 XSRETURN_UNDEF;
2622#endif
2623 OUTPUT:
2624 RETVAL
2625
2626VAL64
2627stx_atimesec ()
2628 PROTOTYPE:
2629 ALIAS:
2630 stx_atimesec = STATX_OFFSET_atime
2631 stx_btimesec = STATX_OFFSET_btime
2632 stx_ctimesec = STATX_OFFSET_ctime
2633 stx_mtimesec = STATX_OFFSET_mtime
2634 CODE:
2635#if HAVE_STATX
2636 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2637 RETVAL = ts->tv_sec;
2638#else
2639 XSRETURN_UNDEF;
2640#endif
2641 OUTPUT:
2642 RETVAL
2643
2644U32
2645stx_atimensec ()
2646 PROTOTYPE:
2647 ALIAS:
2648 stx_atimensec = STATX_OFFSET_atime
2649 stx_btimensec = STATX_OFFSET_btime
2650 stx_ctimensec = STATX_OFFSET_ctime
2651 stx_mtimensec = STATX_OFFSET_mtime
2652 CODE:
2653#if HAVE_STATX
2654 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2655 RETVAL = ts->tv_nsec;
2656#else
2657 RETVAL = 0;
2658#endif
2659 OUTPUT:
2660 RETVAL
2661
2662void
2663accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2664 PPCODE:
2665{
2666 SV *retval;
2667#if HAVE_ACCEPT4
2668 socklen_t salen_ = salen ? salen + 1 : 0;
2669
2670 if (salen)
2671 {
2672 sv_upgrade (sockaddr, SVt_PV);
2673 sv_grow (sockaddr, salen_);
2674 }
2675
2676 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2677
2678 retval = newmortalFH (res, O_RDWR);
2679
2680 if (res >= 0 && salen > 0)
2681 {
2682 if (salen_ > salen + 1)
2683 salen_ = salen + 1;
2684
2685 SvPOK_only (sockaddr);
2686 SvCUR_set (sockaddr, salen_);
2687 }
2688#else
2689 errno = ENOSYS;
2690 retval = &PL_sv_undef;
2691#endif
2692 XPUSHs (retval);
2693}
2694
2695ssize_t
2226splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2696splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2227 CODE: 2697 CODE:
2228{ 2698{
2229#if HAVE_LINUX_SPLICE 2699#if HAVE_LINUX_SPLICE
2230 loff_t off_in_, off_out_; 2700 loff_t off_in_, off_out_;
… …
2238#endif 2708#endif
2239} 2709}
2240 OUTPUT: 2710 OUTPUT:
2241 RETVAL 2711 RETVAL
2242 2712
2243int 2713ssize_t
2244tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2714tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2245 CODE: 2715 CODE:
2246#if HAVE_LINUX_SPLICE 2716#if HAVE_LINUX_SPLICE
2247 RETVAL = tee (rfh, wfh, length, flags); 2717 RETVAL = tee (rfh, wfh, length, flags);
2248#else 2718#else
… …
2291 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2761 PUSHs (newmortalFH (fd[1], O_WRONLY));
2292 } 2762 }
2293} 2763}
2294 2764
2295void 2765void
2766pidfd_open (int pid, unsigned int flags = 0)
2767 PPCODE:
2768{
2769 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2770 int fd = syscall (SYS_pidfd_open, pid, flags);
2771 XPUSHs (newmortalFH (fd, O_RDWR));
2772}
2773
2774int
2775pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2776 PPCODE:
2777{
2778 int res;
2779#if HAVE_SIGINFO_T
2780 siginfo_t si = { 0 };
2781
2782 if (SvOK (siginfo))
2783 {
2784 HV *hv;
2785 SV **svp;
2786
2787 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2788 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2789
2790 hv = (HV *)SvRV (siginfo);
2791
2792 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2793 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2794 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2795 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2796 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2797 }
2798
2799 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2800 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2801#else
2802 res = (errno = ENOSYS, -1);
2803#endif
2804
2805 XPUSHs (sv_2mortal (newSViv (res)));
2806}
2807
2808void
2809pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2810 PPCODE:
2811{
2812 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2813 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2814 XPUSHs (newmortalFH (fd, O_RDWR));
2815}
2816
2817void
2296eventfd (unsigned int initval = 0, int flags = 0) 2818eventfd (unsigned int initval = 0, int flags = 0)
2297 PPCODE: 2819 PPCODE:
2298{ 2820{
2299 int fd; 2821 int fd;
2300#if HAVE_EVENTFD 2822#if HAVE_EVENTFD
… …
2363#else 2885#else
2364 errno = ENOSYS; 2886 errno = ENOSYS;
2365#endif 2887#endif
2366} 2888}
2367 2889
2890void
2891memfd_create (octet_string pathname, int flags = 0)
2892 PPCODE:
2893{
2894 int fd;
2895#if HAVE_MEMFD_CREATE
2896 fd = memfd_create (pathname, flags);
2897#else
2898 fd = (errno = ENOSYS, -1);
2899#endif
2900
2901 XPUSHs (newmortalFH (fd, O_RDWR));
2902}
2903
2904int
2905fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2906 CODE:
2907{
2908 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2909 char **envp, **argv;
2910 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2911 if (!SvOK (envs))
2912 {
2913 extern char **environ;
2914 envp = environ;
2915 }
2916 else
2917 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2918#if _POSIX_VERSION >= 200809L
2919 RETVAL = fexecve (fd, argv, envp);
2920#else
2921 RETVAL = (errno = ENOSYS, -1);
2922#endif
2923}
2924 OUTPUT: RETVAL
2925
2926int
2927mount (octet_string special, octet_string path, octet_string fstype, UV flags = 0, octet_string_ornull data = 0)
2928 OUTPUT: RETVAL
2929
2930int
2931umount (octet_string path, int flags = 0)
2932 CODE:
2933 if (flags)
2934#if HAVE_UMOUNT2
2935 RETVAL = umount2 (path, flags);
2936#else
2937 RETVAL = (errno = ENOSYS, -1);
2938#endif
2939 else
2940 RETVAL = umount (path);
2941 OUTPUT: RETVAL
2942
2368UV 2943UV
2369get_fdlimit () 2944get_fdlimit ()
2370 CODE: 2945 CODE:
2371#if HAVE_RLIMITS 2946#if HAVE_RLIMITS
2372 struct rlimit rl; 2947 struct rlimit rl;
… …
2405 if (0 == setrlimit (RLIMIT_NOFILE, &rl)) 2980 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2406 XSRETURN_YES; 2981 XSRETURN_YES;
2407 2982
2408 if (errno == EPERM) 2983 if (errno == EPERM)
2409 { 2984 {
2410 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ 2985 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2411 /* our limit overflows a system-wide limit */ 2986 /* our limit overflows a system-wide limit */
2412 /* try an adaptive algorithm, but do not lower the hardlimit */ 2987 /* try an adaptive algorithm, but do not lower the hardlimit */
2413 rl.rlim_max = 0; 2988 rl.rlim_max = 0;
2414 for (bit = 0x40000000U; bit; bit >>= 1) 2989 for (bit = 0x40000000U; bit; bit >>= 1)
2415 { 2990 {
2416 rl.rlim_max |= bit; 2991 rl.rlim_max |= bit;
2417 rl.rlim_cur = rl.rlim_max; 2992 rl.rlim_cur = rl.rlim_max;
2418 2993
2419 /* nevr decrease the hard limit */ 2994 /* never decrease the hard limit */
2420 if (rl.rlim_max < orig_rlim_max) 2995 if (rl.rlim_max < orig_rlim_max)
2421 break; 2996 break;
2422 2997
2423 if (0 != setrlimit (RLIMIT_NOFILE, &rl)) 2998 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2424 rl.rlim_max &= ~bit; /* too high, remove bit again */ 2999 rl.rlim_max &= ~bit; /* too high, remove bit again */

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